Question

two of the lights in the hall of a hotel are flickering. one of them flickers every 9 seconds and the other light flickers every 11 seconds. They flickered together at 7 30 pm. when will the lights flicker together again?​

Answer 1

Answer:

As we have to find out the LCM of the 7 and 8

7*8=56

at 56 seconds they will flicker again

Step-by-step explanation: